Post-Quantum Blind Signature from Standard Group Action Assumptions and More.

Yi-Fu Lai Lucjan Hanzlik Yi-Fu Lai Eugenio Paracucchi Edoardo Persichetti Post-Quantum Blind Signature from Standard Group Action Assumptions and More. EUROCRYPT (1) 2026 277-307 conf/eurocrypt/2026-1 https://doi.org/10.1007/978-3-032-25291-3_10 db/conf/eurocrypt/eurocrypt2026-1.html#HanzlikLPP26 streams/conf/eurocrypt Shiping Cai Mingjie Chen Yi-Fu Lai Kaizhan Lin PIKE: Faster Isogeny-Based Public Key Encryption with Pairing-Assisted Decryption. PKC (3) 2026 58-91 conf/pkc/2026-3 https://doi.org/10.1007/978-3-032-26737-5_3 db/conf/pkc/pkc2026-3.html#CaiCLL26 streams/conf/pkc

Shiping Cai Mingjie Chen Yi-Fu Lai Kaizhan Lin PIKE: Faster Isogeny-Based Public Key Encryption with Pairing-Assisted Decryption. 2026 473 2026 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2026/473 db/journals/iacr/iacr2026.html#CaiCLL26 streams/journals/iacr

Lucjan Hanzlik Yi-Fu Lai Marzio Mula Eugenio Paracucchi Daniel Slamanig Gang Tang Tanuki: New Frameworks for (Concurrently Secure) Blind Signatures from Post-Quantum Group Actions. 35-69 2025 ASIACRYPT (4) https://doi.org/10.1007/978-981-95-5113-2_2 conf/asiacrypt/2025-4 db/conf/asiacrypt/asiacrypt2025-4.html#HanzlikLMPST25 streams/conf/asiacrypt

Yi-Fu Lai Jonas Meers Julian Nowakowski Hidden Number Problems in Fiat-Shamir based Post-Quantum Signatures. 913 2025 2025 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2025/913 db/journals/iacr/iacr2025.html#LaiMN25 streams/journals/iacr

Lucjan Hanzlik Yi-Fu Lai Marzio Mula Eugenio Paracucchi Daniel Slamanig Gang Tang Tanuki: New Frameworks for (Concurrently Secure) Blind Signatures from Post-Quantum Groups Actions. 1100 2025 2025 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2025/1100 db/journals/iacr/iacr2025.html#HanzlikLMPST25 streams/journals/iacr

Yi-Fu Lai Edoardo Persichetti LEAF: Compact and Efficient Blind Signature from Code-based Assumptions. 1585 2025 2025 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2025/1585 db/journals/iacr/iacr2025.html#LaiP25 streams/journals/iacr

Yi-Fu Lai Capybara and Tsubaki: Verifiable Random Functions from Group Actions and Isogenies. 1 2024 1 IACR Commun. Cryptol. 3 https://doi.org/10.62056/avr-11zn4 db/journals/cic/cic1.html#Lai24

Giacomo Borin Yi-Fu Lai Antonin Leroux Erebor and Durian: Full Anonymous Ring Signatures from Quaternions and Isogenies. 4 2024 1 IACR Commun. Cryptol. 4 https://doi.org/10.62056/ava3zivrzn db/journals/cic/cic1.html#BorinLL24 streams/journals/cic

Shuichi Katsumata Yi-Fu Lai Jason T. LeGrow Ling Qin CSI-Otter: isogeny-based (partially) blind signatures from the class group action with a twist. 3587-3643 2024 November 92 Des. Codes Cryptogr. 11 https://doi.org/10.1007/s10623-024-01441-7 db/journals/dcc/dcc92.html#KatsumataLLQ24 streams/journals/dcc

Steven D. Galbraith Yi-Fu Lai Hart Montgomery A Simpler and More Efficient Reduction of DLog to CDH for Abelian Group Actions. 36-60 2024 Public Key Cryptography (3) https://doi.org/10.1007/978-3-031-57725-3_2 https://www.wikidata.org/entity/Q136269677 conf/pkc/2024-3 db/conf/pkc/pkc2024-3.html#GalbraithLM24 Shuichi Katsumata Yi-Fu Lai Michael Reichle Breaking Parallel ROS: Implication for Isogeny and Lattice-Based Blind Signatures. 319-351 2024 Public Key Cryptography (1) https://doi.org/10.1007/978-3-031-57718-5_11 conf/pkc/2024-1 db/conf/pkc/pkc2024-1.html#KatsumataLR24

Steven D. Galbraith Yi-Fu Lai Hart Montgomery A Simpler and More Efficient Reduction of DLog to CDH for Abelian Group Actions. 191 2024 2024 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2024/191 db/journals/iacr/iacr2024.html#GalbraithLM24

Giacomo Borin Yi-Fu Lai Antonin Leroux Erebor and Durian: Full Anonymous Ring Signatures from Quaternions and Isogenies. 1185 2024 2024 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2024/1185 db/journals/iacr/iacr2024.html#BorinLL24 streams/journals/iacr

Yi-Fu Lai A Note on Isogeny Group Action-Based Pseudorandom Functions. 2042 2024 2024 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2024/2042 db/journals/iacr/iacr2024.html#Lai24 streams/journals/iacr

Ward Beullens Samuel Dobson Shuichi Katsumata Yi-Fu Lai Federico Pintore Group signatures and more from isogenies and lattices: generic, simple, and efficient. 2141-2200 2023 91 Des. Codes Cryptogr. 6 https://doi.org/10.1007/s10623-023-01192-x db/journals/dcc/dcc91.html#BeullensDKLP23

Kelong Cong Yi-Fu Lai Shai Levin Efficient Isogeny Proofs Using Generic Techniques. 248-275 2023 ACNS https://doi.org/10.1007/978-3-031-33491-7_10 conf/acns/2023 db/conf/acns/acns2023.html#CongLL23 Shuichi Katsumata Yi-Fu Lai Jason T. LeGrow Ling Qin CSI -Otter: Isogeny-Based (Partially) Blind Signatures from the Class Group Action with a Twist. 729-761 2023 CRYPTO (3) https://doi.org/10.1007/978-3-031-38548-3_24 conf/crypto/2023-3 db/conf/crypto/crypto2023-3.html#KatsumataLLQ23 Mingjie Chen Yi-Fu Lai Abel Laval Laurane Marco Christophe Petit 0001 Malleable Commitments from Group Actions and Zero-Knowledge Proofs for Circuits Based on Isogenies. 221-243 2023 INDOCRYPT (1) https://doi.org/10.1007/978-3-031-56232-7_11 conf/indocrypt/2023-1 db/conf/indocrypt/indocrypt2023-1.html#ChenLLMP23

Kelong Cong Yi-Fu Lai Shai Levin Efficient Isogeny Proofs Using Generic Techniques. 37 2023 2023 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2023/037 db/journals/iacr/iacr2023.html#CongLL23

Yi-Fu Lai CAPYBARA and TSUBAKI: Verifiable Random Functions from Group Actions and Isogenies. 182 2023 2023 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2023/182 db/journals/iacr/iacr2023.html#Lai23

Shuichi Katsumata Yi-Fu Lai Jason T. LeGrow Ling Qin CSI-Otter: Isogeny-based (Partially) Blind Signatures from the Class Group Action with a Twist. 1239 2023 2023 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2023/1239 db/journals/iacr/iacr2023.html#KatsumataLLQ23

Shuichi Katsumata Yi-Fu Lai Michael Reichle Breaking Parallel ROS: Implication for Isogeny and Lattice-based Blind Signatures. 1603 2023 2023 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2023/1603 db/journals/iacr/iacr2023.html#KatsumataLR23

Mingjie Chen Yi-Fu Lai Abel Laval Laurane Marco Christophe Petit 0001 Malleable Commitments from Group Actions and Zero-Knowledge Proofs for Circuits based on Isogenies. 1710 2023 2023 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2023/1710 db/journals/iacr/iacr2023.html#ChenLLMP23

Ward Beullens Samuel Dobson Shuichi Katsumata Yi-Fu Lai Federico Pintore Group Signatures and More from Isogenies and Lattices: Generic, Simple, and Efficient. 95-126 2022 EUROCRYPT (2) https://doi.org/10.1007/978-3-031-07085-3_4 conf/eurocrypt/2022-2 db/conf/eurocrypt/eurocrypt2022-2.html#BeullensDKLP22 Steven D. Galbraith Yi-Fu Lai Attack on SHealS and HealS: The Second Wave of GPST. 399-421 2022 PQCrypto https://doi.org/10.1007/978-3-031-17234-2_19 https://www.wikidata.org/entity/Q136269692 conf/pqcrypto/2022 db/conf/pqcrypto/pqcrypto2022.html#GalbraithL22

Steven D. Galbraith Yi-Fu Lai Attack on SHealS and HealS: the Second Wave of GPST. 443 2022 2022 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2022/443 db/journals/iacr/iacr2022.html#GalbraithL22

Yi-Fu Lai Steven D. Galbraith Cyprien Delpech de Saint Guilhem Compact, Efficient and UC-Secure Isogeny-Based Oblivious Transfer. 213-241 2021 EUROCRYPT (1) https://doi.org/10.1007/978-3-030-77870-5_8 conf/eurocrypt/2021-1 db/conf/eurocrypt/eurocrypt2021-1.html#LaiGG21

Yi-Fu Lai Samuel Dobson Collusion Resistant Revocable Ring Signatures and Group Signatures from Hard Homogeneous Spaces. 1365 2021 2021 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2021/1365 db/journals/iacr/iacr2021.html#LaiD21

Ward Beullens Samuel Dobson Shuichi Katsumata Yi-Fu Lai Federico Pintore Group Signatures and More from Isogenies and Lattices: Generic, Simple, and Efficient. 1366 2021 2021 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2021/1366 db/journals/iacr/iacr2021.html#BeullensDKLP21

Yi-Fu Lai Steven D. Galbraith Cyprien Delpech de Saint Guilhem Compact, Efficient and UC-Secure Isogeny-Based Oblivious Transfer. 1012 2020 2020 IACR Cryptol. ePrint Arch. https://eprint.iacr.org/2020/1012 db/journals/iacr/iacr2020.html#LaiGG20

Ward Beullens Giacomo Borin Shiping Cai Mingjie Chen Kelong Cong Samuel Dobson Steven D. Galbraith Cyprien Delpech de Saint Guilhem Lucjan Hanzlik Shuichi Katsumata Abel Laval Jason T. LeGrow Antonin Leroux Shai Levin Kaizhan Lin Laurane Marco Jonas Meers Hart William MontgomeryHart Montgomery Marzio Mula Julian Nowakowski Eugenio Paracucchi Edoardo Persichetti Christophe Petit 0001 Federico Pintore Ling Qin Michael Reichle Daniel Slamanig Gang Tang